The O' Sullivan Clan 

Welcome to the official site that celebrates the Beara to Leitrim March of 1602 and 1603 of O'Sullivan Beara. It began at Dunboy near Castletownbere and was led by Donal Cam. The Clan is based in Castletownbere on the Beara Peninsula in West Cork – South Kerry the ancestral home of O’Sullivan Bere.

The Arms of O'Sullivan-Beare

The Crests of the O~'Sullivan Clan

Welcome to the official site that celebrates the Beara to Leitrim March of 1602 and 1603 of O'Sullivan Beara. It began at Dunboy near Castletownbere and was led by Donal Cam. The Clan is based in Castletownbere on the Beara Peninsula in West Cork – South Kerry the ancestral home of O’Sullivan Bere.

The Arms of O'Sullivan Mór

Clan Chieftan

Kelly Sullivan of Waterloo, Iowa has been appointed the first female chieftain of the O’Sullivan Beare Clan worldwide. 

Kelly was presented with her chain of office on the footsteps of the State building in Massachusetts, in the presence of the Cork County Mayor, Frank O’Flynn, the Kerry County Mayor, Jim Finucane, Ed Flynn  Boston city council president and representatives from the O’Sullivan Clan on the Beara Peninsula...Read More

History of the Clan

The surname O’Sullivan or in Irish Ó Súilleabháin traces its origin from Míl Espáine or Milisius, King of the Milesians (or Celts), King of Spain through the line of his son, Heber, first absolute King of Ireland 504 BC. The surname O’Sullivan is derived from the words Súil (eye) and abháin, (one) and in its Irish form Ó Súillabháin means descendant of the one eyed or descendant of the hawk-eyed. The O’Sullivans were descendants of Eoghan (Owen) Mór, the father of the famous Olioll Olum, celebrated King of Munster in the third Century. Olioll Olum had three sons, Eoghan, Cormac Cais and Cian, and by his will he commanded that the kingdom should be ruled alternately by one of the descendants of Eoghan and Cormac Cais. From Eoghan, the eldest son of Olioll Olum, descended the Eoganachts or Eugenians, who were styled Kings of Cashel. The Eoghanachts possessed Desmond or south Munster, the present counties of Cork and Kerry; they also held most of the present county of Tipperary. The O’Sullivans were one of the principal families of the race of Eogan or Eoghanacht (i.e. descendants of Eoghan) of Munster.....Read more

O'Sullivan March

Historic March of  1603

This famous and epic march undertaken by O' Sullivan Bere to Leitrim through the Counties of Cork, Limerick, Tipperary, Offaly, Galway, Roscommon, Sligo and eventually Leitrim arose as a result of the Irish and the Spanish defeat in the Battle of Kinsale at the hands of the Crown forces....Read More

The O’Sullivan family motto

 Lamh foistenach abu 

 ‘The steady hand to victory’.

Contact

Email: clanosullivan1602@gmail.com